1 files changed, 152 insertions, 0 deletions
diff --git a/testing/mozbase/mozprocess/tests/test_poll.py b/testing/mozbase/mozprocess/tests/test_poll.py
new file mode 100644
index 0000000000..ae6784f502
--- /dev/null
+++ b/testing/mozbase/mozprocess/tests/test_poll.py
@@ -0,0 +1,152 @@
+#!/usr/bin/env python
+
+from __future__ import absolute_import
+
+import os
+import signal
+import sys
+import unittest
+
+import mozinfo
+import mozunit
+import proctest
+import time
+from mozprocess import processhandler
+
+here = os.path.dirname(os.path.abspath(__file__))
+
+
+class ProcTestPoll(proctest.ProcTest):
+    """Class to test process poll."""
+
+    def test_poll_before_run(self):
+        """Process is not started, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        self.assertRaises(RuntimeError, p.poll)
+
+    def test_poll_while_running(self):
+        """Process is started, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+        returncode = p.poll()
+
+        self.assertEqual(returncode, None)
+
+        self.determine_status(p, True)
+        p.kill()
+
+    def test_poll_after_kill(self):
+        """Process is killed, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+        returncode = p.kill()
+
+        # We killed the process, so the returncode should be non-zero
+        if mozinfo.isWin:
+            self.assertGreater(
+                returncode, 0, 'Positive returncode expected, got "%s"' % returncode
+            )
+        else:
+            self.assertLess(
+                returncode, 0, 'Negative returncode expected, got "%s"' % returncode
+            )
+
+        self.assertEqual(returncode, p.poll())
+
+        self.determine_status(p)
+
+    def test_poll_after_kill_no_process_group(self):
+        """Process (no group) is killed, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [
+                self.python,
+                self.proclaunch,
+                "process_normal_finish_no_process_group.ini",
+            ],
+            cwd=here,
+            ignore_children=True,
+        )
+        p.run()
+        returncode = p.kill()
+
+        # We killed the process, so the returncode should be non-zero
+        if mozinfo.isWin:
+            self.assertGreater(
+                returncode, 0, 'Positive returncode expected, got "%s"' % returncode
+            )
+        else:
+            self.assertLess(
+                returncode, 0, 'Negative returncode expected, got "%s"' % returncode
+            )
+
+        self.assertEqual(returncode, p.poll())
+
+        self.determine_status(p)
+
+    def test_poll_after_double_kill(self):
+        """Process is killed twice, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+        p.kill()
+        returncode = p.kill()
+
+        # We killed the process, so the returncode should be non-zero
+        if mozinfo.isWin:
+            self.assertGreater(
+                returncode, 0, 'Positive returncode expected, got "%s"' % returncode
+            )
+        else:
+            self.assertLess(
+                returncode, 0, 'Negative returncode expected, got "%s"' % returncode
+            )
+
+        self.assertEqual(returncode, p.poll())
+
+        self.determine_status(p)
+
+    @unittest.skipIf(sys.platform.startswith("win"), "Bug 1493796")
+    def test_poll_after_external_kill(self):
+        """Process is killed externally, and poll() is called."""
+        p = processhandler.ProcessHandler(
+            [self.python, self.proclaunch, "process_normal_finish.ini"], cwd=here
+        )
+        p.run()
+
+        os.kill(p.pid, signal.SIGTERM)
+
+        # Allow the output reader thread to finish processing remaining data
+        for i in range(0, 100):
+            time.sleep(processhandler.INTERVAL_PROCESS_ALIVE_CHECK)
+            returncode = p.poll()
+            if returncode is not None:
+                break
+
+        # We killed the process, so the returncode should be non-zero
+        if mozinfo.isWin:
+            self.assertEqual(
+                returncode,
+                signal.SIGTERM,
+                'Positive returncode expected, got "%s"' % returncode,
+            )
+        else:
+            self.assertEqual(
+                returncode,
+                -signal.SIGTERM,
+                '%s expected, got "%s"' % (-signal.SIGTERM, returncode),
+            )
+
+        self.assertEqual(returncode, p.wait())
+
+        self.determine_status(p)
+
+
+if __name__ == "__main__":
+    mozunit.main()